CN214857253U

CN214857253U - Bone puncture spiral needle

Info

Publication number: CN214857253U
Application number: CN202120093328.8U
Authority: CN
Inventors: 宋春兰; 牛江红
Original assignee: Beijing Xinchao Tianxia Medical Management Group Co ltd
Current assignee: Beijing Xinchao Tianxia Medical Management Group Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-26
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a bone puncture spiral needle, including the pjncture needle, the through-hole has been seted up to the inside of pjncture needle, the inside of pjncture needle is pegged graft and is had the intubate, and the top fixedly connected with spiral pipe of intubate, the spiral pipe is linked together with the intubate, and the outside of spiral pipe has cup jointed the casing, the circumference fixedly connected with bearing at casing top, and the inner circle of bearing cup joint the knob, and the knob passes through the bearing and rotates to be connected in the top of casing. The utility model discloses when using, can rotate the knob, carry out lift adjustment to the coil pipe through the screw thread, change the distance of the bottom of connector and pjncture needle, hoisting device's use flexibility can be applicable to the different positions of health, facilitates for medical personnel's operation, and the intubate slides along the inner wall of pjncture needle in accommodation process, plays the connection effect between pjncture needle and coil pipe, and the intubate all is located the inside of casing with the junction of the two, avoids the marrow to receive external pollution.

Description

Bone puncture spiral needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a bone puncture spiral needle.

Background

The bone marrow puncture is a common diagnosis technology of bone marrow liquid, the examination content of which comprises cytology, protozoa, bacteriology and other aspects, and is suitable for diagnosis, differential diagnosis and treatment follow-up of various blood diseases; increase or decrease in the number of erythrocytes, leukocytes, platelets and morphological abnormalities of unknown origin; diagnosis and differential diagnosis of fever of unknown origin.

Bone marrow puncture art need use the bone puncture needle, and the puncture position is pierced to the one end of bone puncture needle, and the other end is connected in the syringe, keeps away from through the negative pressure and inhales the syringe with the bone marrow, according to different treatment purposes, the puncture position of bone puncture needle is also inequality, and current bone puncture needle is not convenient for adjust length under the condition that the guarantee bone marrow does not receive the pollution, can't be suitable for in the puncture position of difference, has very big limitation, and the need to design a bone puncture spiral needle is urgent to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bone puncture spiral needle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bone puncture spiral needle, includes the pjncture needle, the through-hole has been seted up to the inside of pjncture needle, the inside of pjncture needle is pegged graft and is had the intubate, and the top fixedly connected with spiral pipe of intubate, the spiral pipe is linked together with the intubate, and the outside of spiral pipe has cup jointed the casing, the circumference fixedly connected with bearing at casing top, and the inner circle of bearing cup joints the knob, and the knob passes through the bearing and rotates the top of connecting in the casing, the outer wall of spiral pipe is seted up threadedly, and knob threaded connection is in the outside of spiral pipe, the top fixedly connected with connector of spiral pipe.

Preferably, the bottom of the spiral tube is fixedly connected with a sleeve, and the insertion tube is positioned inside the sleeve.

Preferably, the top of the puncture needle is inserted into a gap between the cannula and the sleeve.

Preferably, the outer wall of the top of the knob is provided with anti-slip lines distributed at equal intervals.

Preferably, the bottom fixedly connected with base of spiral pipe, and the circumference fixedly connected with first snap ring of pjncture needle middle part outer wall, first snap ring joint is in the inside of base.

Preferably, the bottom of base has cup jointed the position cover, and the circumference fixedly connected with second snap ring of position cover bottom outer wall, and the ring channel has been seted up to the inner wall at position cover top, and the inside in the ring channel of second snap ring joint, position cover adoption transparent polyvinyl chloride material.

Preferably, the top of one side of the base is fixedly connected with a pressing handle, and the top of one side, close to the shell, of the pressing handle is embedded with a rubber pad.

Compared with the prior art, the utility model provides a bone puncture spiral needle possesses following beneficial effect:

1. through setting up the casing, the spiral pipe, bearing and knob, before the suction, can rotate the knob, carry out lift adjustment to the spiral pipe through the screw thread, change the distance of the bottom of connector and pjncture needle, hoisting device's use flexibility, can be applicable to the different positions of health, facilitate for medical personnel's operation, the intubate slides along the inner wall of pjncture needle in accommodation process, play the connection effect between pjncture needle and spiral pipe, and the intubate all is located the inside of casing with the junction of the two, avoid the marrow to receive external contamination.

2. Through setting up the location cover, after the puncture needle inserted the puncture position, the location cover was detained on the skin at puncture position, played the reinforcement supporting role to the puncture needle, avoided the pjncture needle to appear rocking at the suction in-process, prevented to cause the secondary damage to the patient, and the location cover uses transparent material, is convenient for medical personnel at puncture in-process real-time observation pjncture needle.

3. Through setting up pressing handle and rubber pad, after the suction was accomplished, the pjncture needle extracted the puncture position, to the direction promotion pressure handle of keeping away from the casing, can make the top of position fixing cover appear deformation and break away from the second snap ring, make the dismantlement process of position fixing cover more simple and convenient, the disinfection of the device of being convenient for is washd, and the rubber pad plays the cushioning effect pressing between handle and the finger.

Drawings

FIG. 1 is a partial cross-sectional view of a bone piercing screw needle as set forth in example 1;

FIG. 2 is a schematic view of the structure of a sleeve and a cannula of the spiral bone puncture needle proposed in example 1;

FIG. 3 is a schematic structural view of a bone piercing screw needle according to example 1 at the position A;

fig. 4 is a schematic structural view of a positioning cover of the spiral bone puncture needle provided in embodiment 2.

In the figure: 1-puncture needle, 2-first snap ring, 3-positioning cover, 4-sleeve, 5-spiral tube, 6-shell, 7-knob, 8-connector, 9-bearing, 10-cannula, 11-base, 12-second snap ring, 13-pressing handle and 14-rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a bone puncture spiral needle, including pjncture needle 1, the through-hole has been seted up to pjncture needle 1's inside, the inside of pjncture needle 1 is pegged graft there is intubate 10, and the top fixedly connected with spiral pipe 5 of intubate 10, spiral pipe 5 is linked together with intubate 10, and spiral pipe 5's outside has cup jointed casing 6, the circumference fixedly connected with bearing 9 at casing 6 top, and bearing 9's inner circle cup joints knob 7, knob 7 rotates through bearing 9 and connects in casing 6's top, spiral pipe 5's outer wall is threaded, and knob 7 threaded connection is in spiral pipe 5's outside, spiral pipe 5's top fixedly connected with connector 8, connector 8 is connected in the syringe, the puncture position is inserted to pjncture needle 1's bottom, accomplish the marrow suction through the syringe, the marrow passes through pjncture needle 1 and spiral pipe 5 reachs inside the syringe.

In the utility model, the bottom of the spiral tube 5 is fixedly connected with the sleeve 4, and the insertion tube 10 is located the inside of the sleeve 4, and the sleeve 4 is sleeved outside the puncture needle 1, so as to strengthen the stability between the puncture needle 1 and the spiral tube 5.

Wherein, the top of the puncture needle 1 is inserted in the gap between the cannula 10 and the sleeve 4.

Wherein, the outer wall at the top of the knob 7 is provided with anti-slip lines which are distributed equidistantly, and when the knob 7 is rotated, the anti-slip lines can increase the friction force between the fingers and the outer wall of the knob 7, thereby being convenient for the adjustment of the spiral tube 5.

Wherein, the bottom fixedly connected with base 11 of spiral pipe 5, and the circumference fixedly connected with first snap ring 2 of 1 middle part outer wall of pjncture needle, first snap ring 2 joint is in the inside of base 11, and pjncture needle 1 is fixed in the bottom of casing 6 through first snap ring 2 and base 11.

Wherein, the positioning cover 3 has been cup jointed to the bottom of base 11, and the circumference fixedly connected with second snap ring 12 of 3 bottom outer walls of positioning cover, and the ring channel has been seted up to the inner wall at 3 tops of positioning cover, and the inside in the ring channel of 12 joints of second snap ring, and positioning cover 3 adopts transparent polyvinyl chloride material, and positioning cover 3 uses transparent material, and the medical personnel of being convenient for are at puncture in-process real-time observation pjncture needle 1.

The working principle is as follows: connector 8 connects in the syringe, puncture site is inserted to the bottom of pjncture needle 1, accomplish the marrow suction through the syringe, the marrow passes through pjncture needle 1 and inside the syringe 5 reachs the syringe, before the suction, knob 7 can be rotated, carry out lift adjustment to coil 5 through the screw thread, change the distance of connector 8 and the bottom of pjncture needle 1, intubate 10 slides along pjncture needle 1's inner wall in the accommodation process, play the connection effect between pjncture needle 1 and coil 5, and intubate 10 all is located the inside of casing 6 with the junction of the two, avoid the marrow to receive external pollution, after pjncture needle 1 inserts puncture site, position fixing cover 3 detains on puncture site's skin, play the reinforcement supporting role to puncture needle 1.

Example 2

Referring to fig. 4, in this embodiment, compared with embodiment 1, a pressing handle 13 is fixedly connected to the top of one side of the base 11, and a rubber pad 14 is embedded in the top of one side of the pressing handle 13 close to the housing 6.

The working principle is as follows: after the suction is finished, the puncture needle 1 is pulled out of the puncture position, the pressing handle 13 is pushed in the direction far away from the shell 6, the top of the positioning cover 3 can be deformed and separated from the second clamping ring 12, the dismounting process of the positioning cover 3 is simpler and more convenient, the device is convenient to disinfect and clean, and the rubber pad 14 plays a role in buffering between the pressing handle 13 and the fingers.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bone puncture spiral needle, includes pjncture needle (1), the through-hole has been seted up to the inside of pjncture needle (1), its characterized in that, the inside of pjncture needle (1) is pegged graft and is had intubate (10), and top fixedly connected with spiral pipe (5) of intubate (10), spiral pipe (5) are linked together with intubate (10), and the outside of spiral pipe (5) has cup jointed casing (6), circumference fixedly connected with bearing (9) at casing (6) top, and the inner circle of bearing (9) cup joints knob (7), and knob (7) rotate through bearing (9) and connect in the top of casing (6), the outer wall of spiral pipe (5) is seted up the screw thread, and knob (7) threaded connection is in the outside of spiral pipe (5), the top fixedly connected with connector (8) of spiral pipe (5).

2. A bone piercing screw according to claim 1, characterized in that a sleeve (4) is fixedly attached to the bottom of the spiral tube (5) and the cannula (10) is located inside the sleeve (4).

3. A bone piercing screw according to claim 2, characterized in that the tip of the piercing needle (1) is inserted in the space between the cannula (10) and the sleeve (4).

4. A bone puncture screw needle according to any one of claims 1 to 3, wherein the outer wall of the top of the knob (7) is provided with anti-slip lines which are distributed equidistantly.

5. A bone puncture spiral needle according to claim 1, wherein a base (11) is fixedly connected to the bottom of the spiral tube (5), and a first snap ring (2) is fixedly connected to the circumference of the outer wall of the middle part of the puncture needle (1), and the first snap ring (2) is clamped inside the base (11).

6. The spiral bone puncture needle as claimed in claim 5, wherein the bottom of the base (11) is sleeved with a positioning cover (3), a second snap ring (12) is fixedly connected to the circumference of the outer wall of the bottom of the positioning cover (3), an annular groove is formed in the inner wall of the top of the positioning cover (3), the second snap ring (12) is clamped inside the annular groove, and the positioning cover (3) is made of transparent polyvinyl chloride.

7. A spiral needle for bone puncture according to claim 5, wherein a pressing handle (13) is fixedly connected to the top of one side of the base (11), and a rubber pad (14) is embedded on the top of one side of the pressing handle (13) close to the shell (6).